7145816077 has 16 divisors (see below), whose sum is σ = 7718699520. Its totient is φ = 6593184000.

The previous prime is 7145816071. The next prime is 7145816081. The reversal of 7145816077 is 7706185417.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7145816077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145816071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460548 + ... + 475810.

It is an arithmetic number, because the mean of its divisors is an integer number (482418720).

Almost surely, 2^7145816077 is an apocalyptic number.

It is an amenable number.

7145816077 is a deficient number, since it is larger than the sum of its proper divisors (572883443).

7145816077 is a wasteful number, since it uses less digits than its factorization.

7145816077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15924.

The product of its (nonzero) digits is 329280, while the sum is 46.

The square root of 7145816077 is about 84532.9289507941. The cubic root of 7145816077 is about 1926.1226780674.

The spelling of 7145816077 in words is "seven billion, one hundred forty-five million, eight hundred sixteen thousand, seventy-seven".